def eBy
bend-collections-laws-math@1.0.0.0 · proofs/math/typed/f64fmod.bend:414
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/f64fmod.bend as F64fmod
import Base
import bend-collections-laws-math@1.0.0.0/spec/math/f64.bend as SF
import bend-collections-laws-math@1.0.0.0/spec/math/w64.bend as SW
import bend-collections-laws-math@1.0.0.0/src/math/f64.bend as F
import bend-collections-laws-math@1.0.0.0/proofs/lib/nat.bend as N
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/f64light.bend as FL
414def eBy(+y: F.F64, +hzy: {SF.is_zero(y) == False{} : Bool}) -> {SW.value(F.dmant(y)) == 1n+bpv(y) : Nat}:
415 Equal.sym(Nat, Nat.add(1n, bpv(y)), SW.value(F.dmant(y)), N.sub_add(SW.value(F.dmant(y)), 1n, FL.nz_le(SW.value(F.dmant(y)), ynz(y, hzy))))